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Class Information
Number: 162/190
Name: Paper making and fiber liberation > Processes and products > Reclamation, salvage or reuse of materials > White water
Description: Processes involving the recovery of the aqueous fiber suspending medium (white water) for reuse in a subsequent fiber deposition or other paper making step.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7435314 |
Method for the production of a fibrous web |
Oct. 14, 2008 |
| 7416636 |
Method and apparatus for foam forming |
Aug. 26, 2008 |
| 7407563 |
Apparatus and method in the treatment of the stock passed to a headbox of a paper machine or equivalent |
Aug. 5, 2008 |
| 7374637 |
Method of bleaching cellulose pulp with a main conduit for wash liquor and filtrate |
May. 20, 2008 |
| 7318883 |
Equipment and method in a paper or board machine for mixing of fresh stock and of water for dilution of fresh stock |
Jan. 15, 2008 |
| 7300539 |
Treatment of solid containing material derived from effluent |
Nov. 27, 2007 |
| 7294233 |
System and method for altering the tack of materials using an electrohydraulic discharge |
Nov. 13, 2007 |
| 7226526 |
Starch and fiber mixture for papermaking and methods of making paper with the mixture |
Jun. 5, 2007 |
| 7198696 |
Method for manufacturing paper with a constant filler content |
Apr. 3, 2007 |
| 7011729 |
Starch and fiber mixture for papermaking and methods of making paper with the mixture |
Mar. 14, 2006 |
| 6893538 |
Process for the production of paper using silica-based sols |
May. 17, 2005 |
| 6869504 |
Apparatus for passing stock into a headbox of a paper machine or equivalent |
Mar. 22, 2005 |
| 6827820 |
Degassing centrifugal apparatus, process for pumping and degassing a fluid and process for producing paper or board |
Dec. 7, 2004 |
| 6802346 |
Process and an arrangement at suction element |
Oct. 12, 2004 |
| 6736937 |
Method and apparatus for controlling the operation of the short circulation of a paper, paperboard or the like production machine |
May. 18, 2004 |
| 6733629 |
Method of controlling the operation of an approach system of a paper machine or the like web formation apparatus |
May. 11, 2004 |
| 6723205 |
Degassing centrifugal apparatus with energy recovery, process for degassing a fluid and process for producing paper or board |
Apr. 20, 2004 |
| 6716315 |
Water draining device |
Apr. 6, 2004 |
| 6638394 |
Method and apparatus for discharge of whitewater |
Oct. 28, 2003 |
| 6630054 |
Methods for forming a fluted composite |
Oct. 7, 2003 |
| 6610172 |
Process for treating pulp with laccase and a mediator to increase paper wet strength |
Aug. 26, 2003 |
| 6592712 |
Method to manufacture paper using fiber filler complexes |
Jul. 15, 2003 |
| 6589387 |
Process for improving the drainage of cellulosic pulps by adding carbon dioxide directly into the pulp |
Jul. 8, 2003 |
| 6585860 |
Method to control or regulate the basis weight of a paper or cardboard web |
Jul. 1, 2003 |
| 6562193 |
Using centrifugal pumps in the foam process of producing non-woven webs |
May. 13, 2003 |
| 6551458 |
Method and apparatus for recovering fibers from white water of paper mill |
Apr. 22, 2003 |
| 6521089 |
Process for controlling or regulating the basis weight of a paper or cardboard web |
Feb. 18, 2003 |
| 6516830 |
Device for guiding backwater produced in a paper machine |
Feb. 11, 2003 |
| 6500302 |
Foam forming method and apparatus |
Dec. 31, 2002 |
| 6500306 |
Arrangement with white water channel |
Dec. 31, 2002 |
| 6497788 |
Backwater cycle and process for the water circulation of a paper machine |
Dec. 24, 2002 |
| 6491827 |
Process for reducing true color in waste liquids |
Dec. 10, 2002 |
| 6444092 |
Process of recycling fillers and coating pigments from the preparation of paper, paperboard and cardboard |
Sep. 3, 2002 |
| 6444088 |
Foam process web production with foam dilution |
Sep. 3, 2002 |
| 6440272 |
Device for mixing stock suspensions |
Aug. 27, 2002 |
| 6423183 |
Paper products and a method for applying a dye to cellulosic fibers |
Jul. 23, 2002 |
| 6413368 |
Foam forming method and apparatus |
Jul. 2, 2002 |
| 6398913 |
Arrangement and method for recovery of energy in a paper machine forming section |
Jun. 4, 2002 |
| 6328851 |
Method and equipment for controlling properties of paper |
Dec. 11, 2001 |
| 6319362 |
Method and equipment for controlling properties of paper |
Nov. 20, 2001 |
| 6312559 |
Deinking process using amine compounds and white water recycling |
Nov. 6, 2001 |
| 6287417 |
Recovery of surfactant from papermaking process |
Sep. 11, 2001 |
| 6277243 |
Method for mixing and recirculating stock suspensions and water flows in the wet end of a paper machine |
Aug. 21, 2001 |
| 6267845 |
Process arrangement for the short circulation in a paper or board machine |
Jul. 31, 2001 |
| 6258213 |
Regulation system in a paper machine for controlling variation of the basis weight of the paper in the machine direction |
Jul. 10, 2001 |
| 6248207 |
Separation of solids from aqueous suspensions containing cellulosic fibers and fines |
Jun. 19, 2001 |
| 6238518 |
Foam process for producing multi-layered webs |
May. 29, 2001 |
| 6214170 |
Process for cleaning or maintaining the cleanliness of the low-consistency branch of a headbox system |
Apr. 10, 2001 |
| 6214166 |
Process for recycling fillers and coating pigments from the preparation of paper, paperboard and cardboard |
Apr. 10, 2001 |
| 6207015 |
Process for recovering raw materials from paper industry mechanical waste sludge |
Mar. 27, 2001 |
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